#  Copyright (c) 2021 PPViT Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import numpy as np

class multi_val_fn():
    def __init__(self) -> None:
        pass

    def __call__(self, datas) -> tuple:
        img_list = []
        label_list = []
        
        for img, label in datas:
            img_list.append(img)
            label_list.append(label.astype('int64'))

        return img_list, label_list
